chemÂ·oÂ·lithÂ·oÂ·auÂ·toÂ·troph. noun. A chemosynthetic organism that obtains energy from the oxidation of inorganic compounds and uses carbon dioxide as its sole source of carbon for growth. Also called chemoautotroph, chemolithotroph.
A soft one based only on phosphoric acid - KWIKSHOT & DEFIANCE. A medium one which is strong but do not give out fumes and suitable for both ferrous and on ferrous metals - HOTPURSUIT ; and. A strong one based on mixture of acids for removal of all kind of scales and rust - PEDIGREE.
Many rust removal products, like Ospho, leave behind a coating of Zinc Oxide or Iron Phosphate to prevent further rust. Although you can paint over it you should probably sand lightly and remove the powder. The black stuff is probably the result of rust conversion. Rust, Fe2o3, is that stuff that eats up metal.any rust removal products, like Ospho, leave behind a coating of Zinc Oxide or Iron Phosphate to prevent further rust. Although you can paint over it you should probably sand lightly and remove the powder. The black stuff is probably the result of rust conversion. Rust, Fe2o3, is that stuff that eats up metal.